4.The airline industry has the usual slang, from " deadheads" (off-duty crew on a commercial flight) to " George" (a common nickname for the autopilot).
6.The Grateful Dead became known for giving a lot of concerts, giving a lot of performances, and Deadheads would travel to see several of these performances, as many as they could.
Grateful Dead 以举办大量音乐会和表演而闻名,Deadheads 会尽可能多地去看其中几场表演。机翻